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[people/ms/u-boot.git] / common / cmd_ide.c
1 /*
2 * (C) Copyright 2000-2005
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 *
23 */
24
25 /*
26 * IDE support
27 */
28 #include <common.h>
29 #include <config.h>
30 #include <watchdog.h>
31 #include <command.h>
32 #include <image.h>
33 #include <asm/byteorder.h>
34 #if defined(CONFIG_IDE_8xx_DIRECT) || defined(CONFIG_IDE_PCMCIA)
35 # include <pcmcia.h>
36 #endif
37 #ifdef CONFIG_8xx
38 # include <mpc8xx.h>
39 #endif
40 #ifdef CONFIG_MPC5xxx
41 #include <mpc5xxx.h>
42 #endif
43 #include <ide.h>
44 #include <ata.h>
45 #ifdef CONFIG_STATUS_LED
46 # include <status_led.h>
47 #endif
48 #ifndef __PPC__
49 #include <asm/io.h>
50 #ifdef __MIPS__
51 /* Macros depend on this variable */
52 unsigned long mips_io_port_base = 0;
53 #endif
54 #endif
55
56 #ifdef CONFIG_SHOW_BOOT_PROGRESS
57 # include <status_led.h>
58 # define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
59 #else
60 # define SHOW_BOOT_PROGRESS(arg)
61 #endif
62
63 #ifdef __PPC__
64 # define EIEIO __asm__ volatile ("eieio")
65 # define SYNC __asm__ volatile ("sync")
66 #else
67 # define EIEIO /* nothing */
68 # define SYNC /* nothing */
69 #endif
70
71 #if (CONFIG_COMMANDS & CFG_CMD_IDE)
72
73 #ifdef CONFIG_IDE_8xx_DIRECT
74 /* Timings for IDE Interface
75 *
76 * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk
77 * 70 165 30 PIO-Mode 0, [ns]
78 * 4 9 2 [Cycles]
79 * 50 125 20 PIO-Mode 1, [ns]
80 * 3 7 2 [Cycles]
81 * 30 100 15 PIO-Mode 2, [ns]
82 * 2 6 1 [Cycles]
83 * 30 80 10 PIO-Mode 3, [ns]
84 * 2 5 1 [Cycles]
85 * 25 70 10 PIO-Mode 4, [ns]
86 * 2 4 1 [Cycles]
87 */
88
89 const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] =
90 {
91 /* Setup Length Hold */
92 { 70, 165, 30 }, /* PIO-Mode 0, [ns] */
93 { 50, 125, 20 }, /* PIO-Mode 1, [ns] */
94 { 30, 101, 15 }, /* PIO-Mode 2, [ns] */
95 { 30, 80, 10 }, /* PIO-Mode 3, [ns] */
96 { 25, 70, 10 }, /* PIO-Mode 4, [ns] */
97 };
98
99 static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1];
100
101 #ifndef CFG_PIO_MODE
102 #define CFG_PIO_MODE 0 /* use a relaxed default */
103 #endif
104 static int pio_mode = CFG_PIO_MODE;
105
106 /* Make clock cycles and always round up */
107
108 #define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U )
109
110 #endif /* CONFIG_IDE_8xx_DIRECT */
111
112 /* ------------------------------------------------------------------------- */
113
114 /* Current I/O Device */
115 static int curr_device = -1;
116
117 /* Current offset for IDE0 / IDE1 bus access */
118 ulong ide_bus_offset[CFG_IDE_MAXBUS] = {
119 #if defined(CFG_ATA_IDE0_OFFSET)
120 CFG_ATA_IDE0_OFFSET,
121 #endif
122 #if defined(CFG_ATA_IDE1_OFFSET) && (CFG_IDE_MAXBUS > 1)
123 CFG_ATA_IDE1_OFFSET,
124 #endif
125 };
126
127
128 #define ATA_CURR_BASE(dev) (CFG_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)])
129
130 #ifndef CONFIG_AMIGAONEG3SE
131 static int ide_bus_ok[CFG_IDE_MAXBUS];
132 #else
133 static int ide_bus_ok[CFG_IDE_MAXBUS] = {0,};
134 #endif
135
136 block_dev_desc_t ide_dev_desc[CFG_IDE_MAXDEVICE];
137 /* ------------------------------------------------------------------------- */
138
139 #ifdef CONFIG_IDE_LED
140 #if !defined(CONFIG_KUP4K) && !defined(CONFIG_KUP4X) &&!defined(CONFIG_BMS2003) &&!defined(CONFIG_CPC45)
141 static void ide_led (uchar led, uchar status);
142 #else
143 extern void ide_led (uchar led, uchar status);
144 #endif
145 #else
146 #ifndef CONFIG_AMIGAONEG3SE
147 #define ide_led(a,b) /* dummy */
148 #else
149 extern void ide_led(uchar led, uchar status);
150 #define LED_IDE1 1
151 #define LED_IDE2 2
152 #define CONFIG_IDE_LED 1
153 #define DEVICE_LED(x) 1
154 #endif
155 #endif
156
157 #ifdef CONFIG_IDE_RESET
158 static void ide_reset (void);
159 #else
160 #define ide_reset() /* dummy */
161 #endif
162
163 static void ide_ident (block_dev_desc_t *dev_desc);
164 static uchar ide_wait (int dev, ulong t);
165
166 #define IDE_TIME_OUT 2000 /* 2 sec timeout */
167
168 #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */
169
170 #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
171
172 static void __inline__ ide_outb(int dev, int port, unsigned char val);
173 static unsigned char __inline__ ide_inb(int dev, int port);
174 static void input_data(int dev, ulong *sect_buf, int words);
175 static void output_data(int dev, ulong *sect_buf, int words);
176 static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
177
178
179 #ifdef CONFIG_ATAPI
180 static void atapi_inquiry(block_dev_desc_t *dev_desc);
181 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer);
182 #endif
183
184
185 #ifdef CONFIG_IDE_8xx_DIRECT
186 static void set_pcmcia_timing (int pmode);
187 #endif
188
189 /* ------------------------------------------------------------------------- */
190
191 int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
192 {
193 int rcode = 0;
194
195 switch (argc) {
196 case 0:
197 case 1:
198 printf ("Usage:\n%s\n", cmdtp->usage);
199 return 1;
200 case 2:
201 if (strncmp(argv[1],"res",3) == 0) {
202 puts ("\nReset IDE"
203 #ifdef CONFIG_IDE_8xx_DIRECT
204 " on PCMCIA " PCMCIA_SLOT_MSG
205 #endif
206 ": ");
207
208 ide_init ();
209 return 0;
210 } else if (strncmp(argv[1],"inf",3) == 0) {
211 int i;
212
213 putc ('\n');
214
215 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
216 if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN)
217 continue; /* list only known devices */
218 printf ("IDE device %d: ", i);
219 dev_print(&ide_dev_desc[i]);
220 }
221 return 0;
222
223 } else if (strncmp(argv[1],"dev",3) == 0) {
224 if ((curr_device < 0) || (curr_device >= CFG_IDE_MAXDEVICE)) {
225 puts ("\nno IDE devices available\n");
226 return 1;
227 }
228 printf ("\nIDE device %d: ", curr_device);
229 dev_print(&ide_dev_desc[curr_device]);
230 return 0;
231 } else if (strncmp(argv[1],"part",4) == 0) {
232 int dev, ok;
233
234 for (ok=0, dev=0; dev<CFG_IDE_MAXDEVICE; ++dev) {
235 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
236 ++ok;
237 if (dev)
238 putc ('\n');
239 print_part(&ide_dev_desc[dev]);
240 }
241 }
242 if (!ok) {
243 puts ("\nno IDE devices available\n");
244 rcode ++;
245 }
246 return rcode;
247 }
248 printf ("Usage:\n%s\n", cmdtp->usage);
249 return 1;
250 case 3:
251 if (strncmp(argv[1],"dev",3) == 0) {
252 int dev = (int)simple_strtoul(argv[2], NULL, 10);
253
254 printf ("\nIDE device %d: ", dev);
255 if (dev >= CFG_IDE_MAXDEVICE) {
256 puts ("unknown device\n");
257 return 1;
258 }
259 dev_print(&ide_dev_desc[dev]);
260 /*ide_print (dev);*/
261
262 if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) {
263 return 1;
264 }
265
266 curr_device = dev;
267
268 puts ("... is now current device\n");
269
270 return 0;
271 } else if (strncmp(argv[1],"part",4) == 0) {
272 int dev = (int)simple_strtoul(argv[2], NULL, 10);
273
274 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
275 print_part(&ide_dev_desc[dev]);
276 } else {
277 printf ("\nIDE device %d not available\n", dev);
278 rcode = 1;
279 }
280 return rcode;
281 #if 0
282 } else if (strncmp(argv[1],"pio",4) == 0) {
283 int mode = (int)simple_strtoul(argv[2], NULL, 10);
284
285 if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) {
286 puts ("\nSetting ");
287 pio_mode = mode;
288 ide_init ();
289 } else {
290 printf ("\nInvalid PIO mode %d (0 ... %d only)\n",
291 mode, IDE_MAX_PIO_MODE);
292 }
293 return;
294 #endif
295 }
296
297 printf ("Usage:\n%s\n", cmdtp->usage);
298 return 1;
299 default:
300 /* at least 4 args */
301
302 if (strcmp(argv[1],"read") == 0) {
303 ulong addr = simple_strtoul(argv[2], NULL, 16);
304 ulong cnt = simple_strtoul(argv[4], NULL, 16);
305 ulong n;
306 #ifdef CFG_64BIT_STRTOUL
307 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
308
309 printf ("\nIDE read: device %d block # %qd, count %ld ... ",
310 curr_device, blk, cnt);
311 #else
312 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
313
314 printf ("\nIDE read: device %d block # %ld, count %ld ... ",
315 curr_device, blk, cnt);
316 #endif
317
318 n = ide_dev_desc[curr_device].block_read (curr_device,
319 blk, cnt,
320 (ulong *)addr);
321 /* flush cache after read */
322 flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz);
323
324 printf ("%ld blocks read: %s\n",
325 n, (n==cnt) ? "OK" : "ERROR");
326 if (n==cnt) {
327 return 0;
328 } else {
329 return 1;
330 }
331 } else if (strcmp(argv[1],"write") == 0) {
332 ulong addr = simple_strtoul(argv[2], NULL, 16);
333 ulong cnt = simple_strtoul(argv[4], NULL, 16);
334 ulong n;
335 #ifdef CFG_64BIT_STRTOUL
336 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
337
338 printf ("\nIDE write: device %d block # %qd, count %ld ... ",
339 curr_device, blk, cnt);
340 #else
341 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
342
343 printf ("\nIDE write: device %d block # %ld, count %ld ... ",
344 curr_device, blk, cnt);
345 #endif
346
347 n = ide_write (curr_device, blk, cnt, (ulong *)addr);
348
349 printf ("%ld blocks written: %s\n",
350 n, (n==cnt) ? "OK" : "ERROR");
351 if (n==cnt) {
352 return 0;
353 } else {
354 return 1;
355 }
356 } else {
357 printf ("Usage:\n%s\n", cmdtp->usage);
358 rcode = 1;
359 }
360
361 return rcode;
362 }
363 }
364
365 int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
366 {
367 char *boot_device = NULL;
368 char *ep;
369 int dev, part = 0;
370 ulong addr, cnt, checksum;
371 disk_partition_t info;
372 image_header_t *hdr;
373 int rcode = 0;
374
375 switch (argc) {
376 case 1:
377 addr = CFG_LOAD_ADDR;
378 boot_device = getenv ("bootdevice");
379 break;
380 case 2:
381 addr = simple_strtoul(argv[1], NULL, 16);
382 boot_device = getenv ("bootdevice");
383 break;
384 case 3:
385 addr = simple_strtoul(argv[1], NULL, 16);
386 boot_device = argv[2];
387 break;
388 default:
389 printf ("Usage:\n%s\n", cmdtp->usage);
390 SHOW_BOOT_PROGRESS (-1);
391 return 1;
392 }
393
394 if (!boot_device) {
395 puts ("\n** No boot device **\n");
396 SHOW_BOOT_PROGRESS (-1);
397 return 1;
398 }
399
400 dev = simple_strtoul(boot_device, &ep, 16);
401
402 if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) {
403 printf ("\n** Device %d not available\n", dev);
404 SHOW_BOOT_PROGRESS (-1);
405 return 1;
406 }
407
408 if (*ep) {
409 if (*ep != ':') {
410 puts ("\n** Invalid boot device, use `dev[:part]' **\n");
411 SHOW_BOOT_PROGRESS (-1);
412 return 1;
413 }
414 part = simple_strtoul(++ep, NULL, 16);
415 }
416 if (get_partition_info (ide_dev_desc, part, &info)) {
417 SHOW_BOOT_PROGRESS (-1);
418 return 1;
419 }
420 if ((strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) &&
421 (strncmp((char *)info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) {
422 printf ("\n** Invalid partition type \"%.32s\""
423 " (expect \"" BOOT_PART_TYPE "\")\n",
424 info.type);
425 SHOW_BOOT_PROGRESS (-1);
426 return 1;
427 }
428
429 printf ("\nLoading from IDE device %d, partition %d: "
430 "Name: %.32s Type: %.32s\n",
431 dev, part, info.name, info.type);
432
433 debug ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
434 info.start, info.size, info.blksz);
435
436 if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) {
437 printf ("** Read error on %d:%d\n", dev, part);
438 SHOW_BOOT_PROGRESS (-1);
439 return 1;
440 }
441
442 hdr = (image_header_t *)addr;
443
444 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
445 printf("\n** Bad Magic Number **\n");
446 SHOW_BOOT_PROGRESS (-1);
447 return 1;
448 }
449
450 checksum = ntohl(hdr->ih_hcrc);
451 hdr->ih_hcrc = 0;
452
453 if (crc32 (0, (uchar *)hdr, sizeof(image_header_t)) != checksum) {
454 puts ("\n** Bad Header Checksum **\n");
455 SHOW_BOOT_PROGRESS (-2);
456 return 1;
457 }
458 hdr->ih_hcrc = htonl(checksum); /* restore checksum for later use */
459
460 print_image_hdr (hdr);
461
462 cnt = (ntohl(hdr->ih_size) + sizeof(image_header_t));
463 cnt += info.blksz - 1;
464 cnt /= info.blksz;
465 cnt -= 1;
466
467 if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt,
468 (ulong *)(addr+info.blksz)) != cnt) {
469 printf ("** Read error on %d:%d\n", dev, part);
470 SHOW_BOOT_PROGRESS (-1);
471 return 1;
472 }
473
474
475 /* Loading ok, update default load address */
476
477 load_addr = addr;
478
479 /* Check if we should attempt an auto-start */
480 if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
481 char *local_args[2];
482 extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
483
484 local_args[0] = argv[0];
485 local_args[1] = NULL;
486
487 printf ("Automatic boot of image at addr 0x%08lX ...\n", addr);
488
489 do_bootm (cmdtp, 0, 1, local_args);
490 rcode = 1;
491 }
492 return rcode;
493 }
494
495 /* ------------------------------------------------------------------------- */
496
497 void ide_init (void)
498 {
499
500 #ifdef CONFIG_IDE_8xx_DIRECT
501 DECLARE_GLOBAL_DATA_PTR;
502 volatile immap_t *immr = (immap_t *)CFG_IMMR;
503 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
504 #endif
505 unsigned char c;
506 int i, bus;
507 #ifdef CONFIG_AMIGAONEG3SE
508 unsigned int max_bus_scan;
509 unsigned int ata_reset_time;
510 char *s;
511 #endif
512 #ifdef CONFIG_IDE_8xx_PCCARD
513 extern int pcmcia_on (void);
514 extern int ide_devices_found; /* Initialized in check_ide_device() */
515 #endif /* CONFIG_IDE_8xx_PCCARD */
516
517 #ifdef CONFIG_IDE_PREINIT
518 extern int ide_preinit (void);
519 WATCHDOG_RESET();
520
521 if (ide_preinit ()) {
522 puts ("ide_preinit failed\n");
523 return;
524 }
525 #endif /* CONFIG_IDE_PREINIT */
526
527 #ifdef CONFIG_IDE_8xx_PCCARD
528 extern int pcmcia_on (void);
529 extern int ide_devices_found; /* Initialized in check_ide_device() */
530
531 WATCHDOG_RESET();
532
533 ide_devices_found = 0;
534 /* initialize the PCMCIA IDE adapter card */
535 pcmcia_on();
536 if (!ide_devices_found)
537 return;
538 udelay (1000000); /* 1 s */
539 #endif /* CONFIG_IDE_8xx_PCCARD */
540
541 WATCHDOG_RESET();
542
543 #ifdef CONFIG_IDE_8xx_DIRECT
544 /* Initialize PIO timing tables */
545 for (i=0; i <= IDE_MAX_PIO_MODE; ++i) {
546 pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup,
547 gd->bus_clk);
548 pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length,
549 gd->bus_clk);
550 pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold,
551 gd->bus_clk);
552 debug ( "PIO Mode %d: setup=%2d ns/%d clk"
553 " len=%3d ns/%d clk"
554 " hold=%2d ns/%d clk\n",
555 i,
556 pio_config_ns[i].t_setup, pio_config_clk[i].t_setup,
557 pio_config_ns[i].t_length, pio_config_clk[i].t_length,
558 pio_config_ns[i].t_hold, pio_config_clk[i].t_hold);
559 }
560 #endif /* CONFIG_IDE_8xx_DIRECT */
561
562 /* Reset the IDE just to be sure.
563 * Light LED's to show
564 */
565 ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */
566 ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */
567
568 #ifdef CONFIG_IDE_8xx_DIRECT
569 /* PCMCIA / IDE initialization for common mem space */
570 pcmp->pcmc_pgcrb = 0;
571
572 /* start in PIO mode 0 - most relaxed timings */
573 pio_mode = 0;
574 set_pcmcia_timing (pio_mode);
575 #endif /* CONFIG_IDE_8xx_DIRECT */
576
577 /*
578 * Wait for IDE to get ready.
579 * According to spec, this can take up to 31 seconds!
580 */
581 #ifndef CONFIG_AMIGAONEG3SE
582 for (bus=0; bus<CFG_IDE_MAXBUS; ++bus) {
583 int dev = bus * (CFG_IDE_MAXDEVICE / CFG_IDE_MAXBUS);
584 #else
585 s = getenv("ide_maxbus");
586 if (s)
587 max_bus_scan = simple_strtol(s, NULL, 10);
588 else
589 max_bus_scan = CFG_IDE_MAXBUS;
590
591 for (bus=0; bus<max_bus_scan; ++bus) {
592 int dev = bus * (CFG_IDE_MAXDEVICE / max_bus_scan);
593 #endif
594
595 #ifdef CONFIG_IDE_8xx_PCCARD
596 /* Skip non-ide devices from probing */
597 if ((ide_devices_found & (1 << bus)) == 0) {
598 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
599 continue;
600 }
601 #endif
602 printf ("Bus %d: ", bus);
603
604 ide_bus_ok[bus] = 0;
605
606 /* Select device
607 */
608 udelay (100000); /* 100 ms */
609 ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
610 udelay (100000); /* 100 ms */
611 #ifdef CONFIG_AMIGAONEG3SE
612 ata_reset_time = ATA_RESET_TIME;
613 s = getenv("ide_reset_timeout");
614 if (s) ata_reset_time = 2*simple_strtol(s, NULL, 10);
615 #endif
616 i = 0;
617 do {
618 udelay (10000); /* 10 ms */
619
620 c = ide_inb (dev, ATA_STATUS);
621 i++;
622 #ifdef CONFIG_AMIGAONEG3SE
623 if (i > (ata_reset_time * 100)) {
624 #else
625 if (i > (ATA_RESET_TIME * 100)) {
626 #endif
627 puts ("** Timeout **\n");
628 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
629 #ifdef CONFIG_AMIGAONEG3SE
630 /* If this is the second bus, the first one was OK */
631 if (bus != 0) {
632 ide_bus_ok[bus] = 0;
633 goto skip_bus;
634 }
635 #endif
636 return;
637 }
638 if ((i >= 100) && ((i%100)==0)) {
639 putc ('.');
640 }
641 } while (c & ATA_STAT_BUSY);
642
643 if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) {
644 puts ("not available ");
645 debug ("Status = 0x%02X ", c);
646 #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
647 } else if ((c & ATA_STAT_READY) == 0) {
648 puts ("not available ");
649 debug ("Status = 0x%02X ", c);
650 #endif
651 } else {
652 puts ("OK ");
653 ide_bus_ok[bus] = 1;
654 }
655 WATCHDOG_RESET();
656 }
657
658 #ifdef CONFIG_AMIGAONEG3SE
659 skip_bus:
660 #endif
661 putc ('\n');
662
663 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
664
665 curr_device = -1;
666 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
667 #ifdef CONFIG_IDE_LED
668 int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2;
669 #endif
670 ide_dev_desc[i].type=DEV_TYPE_UNKNOWN;
671 ide_dev_desc[i].if_type=IF_TYPE_IDE;
672 ide_dev_desc[i].dev=i;
673 ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
674 ide_dev_desc[i].blksz=0;
675 ide_dev_desc[i].lba=0;
676 ide_dev_desc[i].block_read=ide_read;
677 if (!ide_bus_ok[IDE_BUS(i)])
678 continue;
679 ide_led (led, 1); /* LED on */
680 ide_ident(&ide_dev_desc[i]);
681 ide_led (led, 0); /* LED off */
682 dev_print(&ide_dev_desc[i]);
683 /* ide_print (i); */
684 if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) {
685 init_part (&ide_dev_desc[i]); /* initialize partition type */
686 if (curr_device < 0)
687 curr_device = i;
688 }
689 }
690 WATCHDOG_RESET();
691 }
692
693 /* ------------------------------------------------------------------------- */
694
695 block_dev_desc_t * ide_get_dev(int dev)
696 {
697 return ((block_dev_desc_t *)&ide_dev_desc[dev]);
698 }
699
700
701 #ifdef CONFIG_IDE_8xx_DIRECT
702
703 static void
704 set_pcmcia_timing (int pmode)
705 {
706 volatile immap_t *immr = (immap_t *)CFG_IMMR;
707 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
708 ulong timings;
709
710 debug ("Set timing for PIO Mode %d\n", pmode);
711
712 timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold)
713 | PCMCIA_SST(pio_config_clk[pmode].t_setup)
714 | PCMCIA_SL (pio_config_clk[pmode].t_length)
715 ;
716
717 /* IDE 0
718 */
719 pcmp->pcmc_pbr0 = CFG_PCMCIA_PBR0;
720 pcmp->pcmc_por0 = CFG_PCMCIA_POR0
721 #if (CFG_PCMCIA_POR0 != 0)
722 | timings
723 #endif
724 ;
725 debug ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0);
726
727 pcmp->pcmc_pbr1 = CFG_PCMCIA_PBR1;
728 pcmp->pcmc_por1 = CFG_PCMCIA_POR1
729 #if (CFG_PCMCIA_POR1 != 0)
730 | timings
731 #endif
732 ;
733 debug ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1);
734
735 pcmp->pcmc_pbr2 = CFG_PCMCIA_PBR2;
736 pcmp->pcmc_por2 = CFG_PCMCIA_POR2
737 #if (CFG_PCMCIA_POR2 != 0)
738 | timings
739 #endif
740 ;
741 debug ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2);
742
743 pcmp->pcmc_pbr3 = CFG_PCMCIA_PBR3;
744 pcmp->pcmc_por3 = CFG_PCMCIA_POR3
745 #if (CFG_PCMCIA_POR3 != 0)
746 | timings
747 #endif
748 ;
749 debug ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3);
750
751 /* IDE 1
752 */
753 pcmp->pcmc_pbr4 = CFG_PCMCIA_PBR4;
754 pcmp->pcmc_por4 = CFG_PCMCIA_POR4
755 #if (CFG_PCMCIA_POR4 != 0)
756 | timings
757 #endif
758 ;
759 debug ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4);
760
761 pcmp->pcmc_pbr5 = CFG_PCMCIA_PBR5;
762 pcmp->pcmc_por5 = CFG_PCMCIA_POR5
763 #if (CFG_PCMCIA_POR5 != 0)
764 | timings
765 #endif
766 ;
767 debug ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5);
768
769 pcmp->pcmc_pbr6 = CFG_PCMCIA_PBR6;
770 pcmp->pcmc_por6 = CFG_PCMCIA_POR6
771 #if (CFG_PCMCIA_POR6 != 0)
772 | timings
773 #endif
774 ;
775 debug ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6);
776
777 pcmp->pcmc_pbr7 = CFG_PCMCIA_PBR7;
778 pcmp->pcmc_por7 = CFG_PCMCIA_POR7
779 #if (CFG_PCMCIA_POR7 != 0)
780 | timings
781 #endif
782 ;
783 debug ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7);
784
785 }
786
787 #endif /* CONFIG_IDE_8xx_DIRECT */
788
789 /* ------------------------------------------------------------------------- */
790
791 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
792 static void __inline__
793 ide_outb(int dev, int port, unsigned char val)
794 {
795 debug ("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n",
796 dev, port, val, (ATA_CURR_BASE(dev)+port));
797
798 /* Ensure I/O operations complete */
799 EIEIO;
800 *((uchar *)(ATA_CURR_BASE(dev)+port)) = val;
801 }
802 #else /* ! __PPC__ */
803 static void __inline__
804 ide_outb(int dev, int port, unsigned char val)
805 {
806 outb(val, ATA_CURR_BASE(dev)+port);
807 }
808 #endif /* __PPC__ */
809
810
811 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
812 static unsigned char __inline__
813 ide_inb(int dev, int port)
814 {
815 uchar val;
816 /* Ensure I/O operations complete */
817 EIEIO;
818 val = *((uchar *)(ATA_CURR_BASE(dev)+port));
819 debug ("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n",
820 dev, port, (ATA_CURR_BASE(dev)+port), val);
821 return (val);
822 }
823 #else /* ! __PPC__ */
824 static unsigned char __inline__
825 ide_inb(int dev, int port)
826 {
827 return inb(ATA_CURR_BASE(dev)+port);
828 }
829 #endif /* __PPC__ */
830
831 #ifdef __PPC__
832 # ifdef CONFIG_AMIGAONEG3SE
833 static void
834 output_data_short(int dev, ulong *sect_buf, int words)
835 {
836 ushort *dbuf;
837 volatile ushort *pbuf;
838
839 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
840 dbuf = (ushort *)sect_buf;
841 while (words--) {
842 EIEIO;
843 *pbuf = *dbuf++;
844 EIEIO;
845 }
846
847 if (words&1)
848 *pbuf = 0;
849 }
850 # endif /* CONFIG_AMIGAONEG3SE */
851 #endif /* __PPC_ */
852
853 /* We only need to swap data if we are running on a big endian cpu. */
854 /* But Au1x00 cpu:s already swaps data in big endian mode! */
855 #if defined(__LITTLE_ENDIAN) || defined(CONFIG_AU1X00)
856 #define input_swap_data(x,y,z) input_data(x,y,z)
857 #else
858 static void
859 input_swap_data(int dev, ulong *sect_buf, int words)
860 {
861 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
862 uchar i;
863 volatile uchar *pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
864 volatile uchar *pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
865 ushort *dbuf = (ushort *)sect_buf;
866
867 while (words--) {
868 for (i=0; i<2; i++) {
869 *(((uchar *)(dbuf)) + 1) = *pbuf_even;
870 *(uchar *)dbuf = *pbuf_odd;
871 dbuf+=1;
872 }
873 }
874 #else
875 volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
876 ushort *dbuf = (ushort *)sect_buf;
877
878 debug("in input swap data base for read is %lx\n", (unsigned long) pbuf);
879
880 while (words--) {
881 *dbuf++ = ld_le16(pbuf);
882 *dbuf++ = ld_le16(pbuf);
883 }
884 #endif
885 }
886 #endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */
887
888
889 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
890 static void
891 output_data(int dev, ulong *sect_buf, int words)
892 {
893 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
894 uchar *dbuf;
895 volatile uchar *pbuf_even;
896 volatile uchar *pbuf_odd;
897
898 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
899 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
900 dbuf = (uchar *)sect_buf;
901 while (words--) {
902 EIEIO;
903 *pbuf_even = *dbuf++;
904 EIEIO;
905 *pbuf_odd = *dbuf++;
906 EIEIO;
907 *pbuf_even = *dbuf++;
908 EIEIO;
909 *pbuf_odd = *dbuf++;
910 }
911 #else
912 ushort *dbuf;
913 volatile ushort *pbuf;
914
915 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
916 dbuf = (ushort *)sect_buf;
917 while (words--) {
918 EIEIO;
919 *pbuf = *dbuf++;
920 EIEIO;
921 *pbuf = *dbuf++;
922 }
923 #endif
924 }
925 #else /* ! __PPC__ */
926 static void
927 output_data(int dev, ulong *sect_buf, int words)
928 {
929 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words<<1);
930 }
931 #endif /* __PPC__ */
932
933 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
934 static void
935 input_data(int dev, ulong *sect_buf, int words)
936 {
937 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
938 uchar *dbuf;
939 volatile uchar *pbuf_even;
940 volatile uchar *pbuf_odd;
941
942 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
943 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
944 dbuf = (uchar *)sect_buf;
945 while (words--) {
946 *dbuf++ = *pbuf_even;
947 EIEIO;
948 SYNC;
949 *dbuf++ = *pbuf_odd;
950 EIEIO;
951 SYNC;
952 *dbuf++ = *pbuf_even;
953 EIEIO;
954 SYNC;
955 *dbuf++ = *pbuf_odd;
956 EIEIO;
957 SYNC;
958 }
959 #else
960 ushort *dbuf;
961 volatile ushort *pbuf;
962
963 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
964 dbuf = (ushort *)sect_buf;
965
966 debug("in input data base for read is %lx\n", (unsigned long) pbuf);
967
968 while (words--) {
969 EIEIO;
970 *dbuf++ = *pbuf;
971 EIEIO;
972 *dbuf++ = *pbuf;
973 }
974 #endif
975 }
976 #else /* ! __PPC__ */
977 static void
978 input_data(int dev, ulong *sect_buf, int words)
979 {
980 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
981 }
982
983 #endif /* __PPC__ */
984
985 #ifdef CONFIG_AMIGAONEG3SE
986 static void
987 input_data_short(int dev, ulong *sect_buf, int words)
988 {
989 ushort *dbuf;
990 volatile ushort *pbuf;
991
992 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
993 dbuf = (ushort *)sect_buf;
994 while (words--) {
995 EIEIO;
996 *dbuf++ = *pbuf;
997 EIEIO;
998 }
999
1000 if (words&1) {
1001 ushort dummy;
1002 dummy = *pbuf;
1003 }
1004 }
1005 #endif
1006
1007 /* -------------------------------------------------------------------------
1008 */
1009 static void ide_ident (block_dev_desc_t *dev_desc)
1010 {
1011 ulong iobuf[ATA_SECTORWORDS];
1012 unsigned char c;
1013 hd_driveid_t *iop = (hd_driveid_t *)iobuf;
1014
1015 #ifdef CONFIG_AMIGAONEG3SE
1016 int max_bus_scan;
1017 char *s;
1018 #endif
1019 #ifdef CONFIG_ATAPI
1020 int retries = 0;
1021 int do_retry = 0;
1022 #endif
1023
1024 #if 0
1025 int mode, cycle_time;
1026 #endif
1027 int device;
1028 device=dev_desc->dev;
1029 printf (" Device %d: ", device);
1030
1031 #ifdef CONFIG_AMIGAONEG3SE
1032 s = getenv("ide_maxbus");
1033 if (s) {
1034 max_bus_scan = simple_strtol(s, NULL, 10);
1035 } else {
1036 max_bus_scan = CFG_IDE_MAXBUS;
1037 }
1038 if (device >= max_bus_scan*2) {
1039 dev_desc->type=DEV_TYPE_UNKNOWN;
1040 return;
1041 }
1042 #endif
1043
1044 ide_led (DEVICE_LED(device), 1); /* LED on */
1045 /* Select device
1046 */
1047 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1048 dev_desc->if_type=IF_TYPE_IDE;
1049 #ifdef CONFIG_ATAPI
1050
1051 do_retry = 0;
1052 retries = 0;
1053
1054 /* Warning: This will be tricky to read */
1055 while (retries <= 1) {
1056 /* check signature */
1057 if ((ide_inb(device,ATA_SECT_CNT) == 0x01) &&
1058 (ide_inb(device,ATA_SECT_NUM) == 0x01) &&
1059 (ide_inb(device,ATA_CYL_LOW) == 0x14) &&
1060 (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) {
1061 /* ATAPI Signature found */
1062 dev_desc->if_type=IF_TYPE_ATAPI;
1063 /* Start Ident Command
1064 */
1065 ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT);
1066 /*
1067 * Wait for completion - ATAPI devices need more time
1068 * to become ready
1069 */
1070 c = ide_wait (device, ATAPI_TIME_OUT);
1071 } else
1072 #endif
1073 {
1074 /* Start Ident Command
1075 */
1076 ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT);
1077
1078 /* Wait for completion
1079 */
1080 c = ide_wait (device, IDE_TIME_OUT);
1081 }
1082 ide_led (DEVICE_LED(device), 0); /* LED off */
1083
1084 if (((c & ATA_STAT_DRQ) == 0) ||
1085 ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) {
1086 #ifdef CONFIG_ATAPI
1087 #ifdef CONFIG_AMIGAONEG3SE
1088 s = getenv("ide_doreset");
1089 if (s && strcmp(s, "on") == 0)
1090 #endif
1091 {
1092 /* Need to soft reset the device in case it's an ATAPI... */
1093 debug ("Retrying...\n");
1094 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1095 udelay(100000);
1096 ide_outb (device, ATA_COMMAND, 0x08);
1097 udelay (500000); /* 500 ms */
1098 }
1099 /* Select device
1100 */
1101 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1102 retries++;
1103 #else
1104 return;
1105 #endif
1106 }
1107 #ifdef CONFIG_ATAPI
1108 else
1109 break;
1110 } /* see above - ugly to read */
1111
1112 if (retries == 2) /* Not found */
1113 return;
1114 #endif
1115
1116 input_swap_data (device, iobuf, ATA_SECTORWORDS);
1117
1118 ident_cpy (dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision));
1119 ident_cpy (dev_desc->vendor, iop->model, sizeof(dev_desc->vendor));
1120 ident_cpy (dev_desc->product, iop->serial_no, sizeof(dev_desc->product));
1121 #ifdef __LITTLE_ENDIAN
1122 /*
1123 * firmware revision and model number have Big Endian Byte
1124 * order in Word. Convert both to little endian.
1125 *
1126 * See CF+ and CompactFlash Specification Revision 2.0:
1127 * 6.2.1.6: Identfy Drive, Table 39 for more details
1128 */
1129
1130 strswab (dev_desc->revision);
1131 strswab (dev_desc->vendor);
1132 #endif /* __LITTLE_ENDIAN */
1133
1134 if ((iop->config & 0x0080)==0x0080)
1135 dev_desc->removable = 1;
1136 else
1137 dev_desc->removable = 0;
1138
1139 #if 0
1140 /*
1141 * Drive PIO mode autoselection
1142 */
1143 mode = iop->tPIO;
1144
1145 printf ("tPIO = 0x%02x = %d\n",mode, mode);
1146 if (mode > 2) { /* 2 is maximum allowed tPIO value */
1147 mode = 2;
1148 debug ("Override tPIO -> 2\n");
1149 }
1150 if (iop->field_valid & 2) { /* drive implements ATA2? */
1151 debug ("Drive implements ATA2\n");
1152 if (iop->capability & 8) { /* drive supports use_iordy? */
1153 cycle_time = iop->eide_pio_iordy;
1154 } else {
1155 cycle_time = iop->eide_pio;
1156 }
1157 debug ("cycle time = %d\n", cycle_time);
1158 mode = 4;
1159 if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */
1160 if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */
1161 if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */
1162 if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */
1163 }
1164 printf ("PIO mode to use: PIO %d\n", mode);
1165 #endif /* 0 */
1166
1167 #ifdef CONFIG_ATAPI
1168 if (dev_desc->if_type==IF_TYPE_ATAPI) {
1169 atapi_inquiry(dev_desc);
1170 return;
1171 }
1172 #endif /* CONFIG_ATAPI */
1173
1174 #ifdef __BIG_ENDIAN
1175 /* swap shorts */
1176 dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16);
1177 #else /* ! __BIG_ENDIAN */
1178 /*
1179 * do not swap shorts on little endian
1180 *
1181 * See CF+ and CompactFlash Specification Revision 2.0:
1182 * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details.
1183 */
1184 dev_desc->lba = iop->lba_capacity;
1185 #endif /* __BIG_ENDIAN */
1186
1187 #ifdef CONFIG_LBA48
1188 if (iop->command_set_2 & 0x0400) { /* LBA 48 support */
1189 dev_desc->lba48 = 1;
1190 dev_desc->lba = (unsigned long long)iop->lba48_capacity[0] |
1191 ((unsigned long long)iop->lba48_capacity[1] << 16) |
1192 ((unsigned long long)iop->lba48_capacity[2] << 32) |
1193 ((unsigned long long)iop->lba48_capacity[3] << 48);
1194 } else {
1195 dev_desc->lba48 = 0;
1196 }
1197 #endif /* CONFIG_LBA48 */
1198 /* assuming HD */
1199 dev_desc->type=DEV_TYPE_HARDDISK;
1200 dev_desc->blksz=ATA_BLOCKSIZE;
1201 dev_desc->lun=0; /* just to fill something in... */
1202
1203 #if 0 /* only used to test the powersaving mode,
1204 * if enabled, the drive goes after 5 sec
1205 * in standby mode */
1206 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1207 c = ide_wait (device, IDE_TIME_OUT);
1208 ide_outb (device, ATA_SECT_CNT, 1);
1209 ide_outb (device, ATA_LBA_LOW, 0);
1210 ide_outb (device, ATA_LBA_MID, 0);
1211 ide_outb (device, ATA_LBA_HIGH, 0);
1212 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1213 ide_outb (device, ATA_COMMAND, 0xe3);
1214 udelay (50);
1215 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1216 #endif
1217 }
1218
1219
1220 /* ------------------------------------------------------------------------- */
1221
1222 ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer)
1223 {
1224 ulong n = 0;
1225 unsigned char c;
1226 unsigned char pwrsave=0; /* power save */
1227 #ifdef CONFIG_LBA48
1228 unsigned char lba48 = 0;
1229
1230 if (blknr & 0x0000fffff0000000) {
1231 /* more than 28 bits used, use 48bit mode */
1232 lba48 = 1;
1233 }
1234 #endif
1235 debug ("ide_read dev %d start %qX, blocks %lX buffer at %lX\n",
1236 device, blknr, blkcnt, (ulong)buffer);
1237
1238 ide_led (DEVICE_LED(device), 1); /* LED on */
1239
1240 /* Select device
1241 */
1242 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1243 c = ide_wait (device, IDE_TIME_OUT);
1244
1245 if (c & ATA_STAT_BUSY) {
1246 printf ("IDE read: device %d not ready\n", device);
1247 goto IDE_READ_E;
1248 }
1249
1250 /* first check if the drive is in Powersaving mode, if yes,
1251 * increase the timeout value */
1252 ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR);
1253 udelay (50);
1254
1255 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1256
1257 if (c & ATA_STAT_BUSY) {
1258 printf ("IDE read: device %d not ready\n", device);
1259 goto IDE_READ_E;
1260 }
1261 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1262 printf ("No Powersaving mode %X\n", c);
1263 } else {
1264 c = ide_inb(device,ATA_SECT_CNT);
1265 debug ("Powersaving %02X\n",c);
1266 if(c==0)
1267 pwrsave=1;
1268 }
1269
1270
1271 while (blkcnt-- > 0) {
1272
1273 c = ide_wait (device, IDE_TIME_OUT);
1274
1275 if (c & ATA_STAT_BUSY) {
1276 printf ("IDE read: device %d not ready\n", device);
1277 break;
1278 }
1279 #ifdef CONFIG_LBA48
1280 if (lba48) {
1281 /* write high bits */
1282 ide_outb (device, ATA_SECT_CNT, 0);
1283 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1284 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1285 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1286 }
1287 #endif
1288 ide_outb (device, ATA_SECT_CNT, 1);
1289 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1290 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1291 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1292
1293 #ifdef CONFIG_LBA48
1294 if (lba48) {
1295 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1296 ide_outb (device, ATA_COMMAND, ATA_CMD_READ_EXT);
1297
1298 } else
1299 #endif
1300 {
1301 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1302 ATA_DEVICE(device) |
1303 ((blknr >> 24) & 0xF) );
1304 ide_outb (device, ATA_COMMAND, ATA_CMD_READ);
1305 }
1306
1307 udelay (50);
1308
1309 if(pwrsave) {
1310 c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */
1311 pwrsave=0;
1312 } else {
1313 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1314 }
1315
1316 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1317 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1318 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1319 device, blknr, c);
1320 #else
1321 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1322 device, (ulong)blknr, c);
1323 #endif
1324 break;
1325 }
1326
1327 input_data (device, buffer, ATA_SECTORWORDS);
1328 (void) ide_inb (device, ATA_STATUS); /* clear IRQ */
1329
1330 ++n;
1331 ++blknr;
1332 buffer += ATA_SECTORWORDS;
1333 }
1334 IDE_READ_E:
1335 ide_led (DEVICE_LED(device), 0); /* LED off */
1336 return (n);
1337 }
1338
1339 /* ------------------------------------------------------------------------- */
1340
1341
1342 ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer)
1343 {
1344 ulong n = 0;
1345 unsigned char c;
1346 #ifdef CONFIG_LBA48
1347 unsigned char lba48 = 0;
1348
1349 if (blknr & 0x0000fffff0000000) {
1350 /* more than 28 bits used, use 48bit mode */
1351 lba48 = 1;
1352 }
1353 #endif
1354
1355 ide_led (DEVICE_LED(device), 1); /* LED on */
1356
1357 /* Select device
1358 */
1359 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1360
1361 while (blkcnt-- > 0) {
1362
1363 c = ide_wait (device, IDE_TIME_OUT);
1364
1365 if (c & ATA_STAT_BUSY) {
1366 printf ("IDE read: device %d not ready\n", device);
1367 goto WR_OUT;
1368 }
1369 #ifdef CONFIG_LBA48
1370 if (lba48) {
1371 /* write high bits */
1372 ide_outb (device, ATA_SECT_CNT, 0);
1373 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1374 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1375 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1376 }
1377 #endif
1378 ide_outb (device, ATA_SECT_CNT, 1);
1379 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1380 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1381 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1382
1383 #ifdef CONFIG_LBA48
1384 if (lba48) {
1385 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1386 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE_EXT);
1387
1388 } else
1389 #endif
1390 {
1391 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1392 ATA_DEVICE(device) |
1393 ((blknr >> 24) & 0xF) );
1394 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE);
1395 }
1396
1397 udelay (50);
1398
1399 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1400
1401 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1402 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1403 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1404 device, blknr, c);
1405 #else
1406 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1407 device, (ulong)blknr, c);
1408 #endif
1409 goto WR_OUT;
1410 }
1411
1412 output_data (device, buffer, ATA_SECTORWORDS);
1413 c = ide_inb (device, ATA_STATUS); /* clear IRQ */
1414 ++n;
1415 ++blknr;
1416 buffer += ATA_SECTORWORDS;
1417 }
1418 WR_OUT:
1419 ide_led (DEVICE_LED(device), 0); /* LED off */
1420 return (n);
1421 }
1422
1423 /* ------------------------------------------------------------------------- */
1424
1425 /*
1426 * copy src to dest, skipping leading and trailing blanks and null
1427 * terminate the string
1428 * "len" is the size of available memory including the terminating '\0'
1429 */
1430 static void ident_cpy (unsigned char *dst, unsigned char *src, unsigned int len)
1431 {
1432 unsigned char *end, *last;
1433
1434 last = dst;
1435 end = src + len - 1;
1436
1437 /* reserve space for '\0' */
1438 if (len < 2)
1439 goto OUT;
1440
1441 /* skip leading white space */
1442 while ((*src) && (src<end) && (*src==' '))
1443 ++src;
1444
1445 /* copy string, omitting trailing white space */
1446 while ((*src) && (src<end)) {
1447 *dst++ = *src;
1448 if (*src++ != ' ')
1449 last = dst;
1450 }
1451 OUT:
1452 *last = '\0';
1453 }
1454
1455 /* ------------------------------------------------------------------------- */
1456
1457 /*
1458 * Wait until Busy bit is off, or timeout (in ms)
1459 * Return last status
1460 */
1461 static uchar ide_wait (int dev, ulong t)
1462 {
1463 ulong delay = 10 * t; /* poll every 100 us */
1464 uchar c;
1465
1466 while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
1467 udelay (100);
1468 if (delay-- == 0) {
1469 break;
1470 }
1471 }
1472 return (c);
1473 }
1474
1475 /* ------------------------------------------------------------------------- */
1476
1477 #ifdef CONFIG_IDE_RESET
1478 extern void ide_set_reset(int idereset);
1479
1480 static void ide_reset (void)
1481 {
1482 #if defined(CFG_PB_12V_ENABLE) || defined(CFG_PB_IDE_MOTOR)
1483 volatile immap_t *immr = (immap_t *)CFG_IMMR;
1484 #endif
1485 int i;
1486
1487 curr_device = -1;
1488 for (i=0; i<CFG_IDE_MAXBUS; ++i)
1489 ide_bus_ok[i] = 0;
1490 for (i=0; i<CFG_IDE_MAXDEVICE; ++i)
1491 ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
1492
1493 ide_set_reset (1); /* assert reset */
1494
1495 WATCHDOG_RESET();
1496
1497 #ifdef CFG_PB_12V_ENABLE
1498 immr->im_cpm.cp_pbdat &= ~(CFG_PB_12V_ENABLE); /* 12V Enable output OFF */
1499 immr->im_cpm.cp_pbpar &= ~(CFG_PB_12V_ENABLE);
1500 immr->im_cpm.cp_pbodr &= ~(CFG_PB_12V_ENABLE);
1501 immr->im_cpm.cp_pbdir |= CFG_PB_12V_ENABLE;
1502
1503 /* wait 500 ms for the voltage to stabilize
1504 */
1505 for (i=0; i<500; ++i) {
1506 udelay (1000);
1507 }
1508
1509 immr->im_cpm.cp_pbdat |= CFG_PB_12V_ENABLE; /* 12V Enable output ON */
1510 #endif /* CFG_PB_12V_ENABLE */
1511
1512 #ifdef CFG_PB_IDE_MOTOR
1513 /* configure IDE Motor voltage monitor pin as input */
1514 immr->im_cpm.cp_pbpar &= ~(CFG_PB_IDE_MOTOR);
1515 immr->im_cpm.cp_pbodr &= ~(CFG_PB_IDE_MOTOR);
1516 immr->im_cpm.cp_pbdir &= ~(CFG_PB_IDE_MOTOR);
1517
1518 /* wait up to 1 s for the motor voltage to stabilize
1519 */
1520 for (i=0; i<1000; ++i) {
1521 if ((immr->im_cpm.cp_pbdat & CFG_PB_IDE_MOTOR) != 0) {
1522 break;
1523 }
1524 udelay (1000);
1525 }
1526
1527 if (i == 1000) { /* Timeout */
1528 printf ("\nWarning: 5V for IDE Motor missing\n");
1529 # ifdef CONFIG_STATUS_LED
1530 # ifdef STATUS_LED_YELLOW
1531 status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON );
1532 # endif
1533 # ifdef STATUS_LED_GREEN
1534 status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF);
1535 # endif
1536 # endif /* CONFIG_STATUS_LED */
1537 }
1538 #endif /* CFG_PB_IDE_MOTOR */
1539
1540 WATCHDOG_RESET();
1541
1542 /* de-assert RESET signal */
1543 ide_set_reset(0);
1544
1545 /* wait 250 ms */
1546 for (i=0; i<250; ++i) {
1547 udelay (1000);
1548 }
1549 }
1550
1551 #endif /* CONFIG_IDE_RESET */
1552
1553 /* ------------------------------------------------------------------------- */
1554
1555 #if defined(CONFIG_IDE_LED) && \
1556 !defined(CONFIG_AMIGAONEG3SE)&& \
1557 !defined(CONFIG_CPC45) && \
1558 !defined(CONFIG_HMI10) && \
1559 !defined(CONFIG_KUP4K) && \
1560 !defined(CONFIG_KUP4X)
1561
1562 static uchar led_buffer = 0; /* Buffer for current LED status */
1563
1564 static void ide_led (uchar led, uchar status)
1565 {
1566 uchar *led_port = LED_PORT;
1567
1568 if (status) { /* switch LED on */
1569 led_buffer |= led;
1570 } else { /* switch LED off */
1571 led_buffer &= ~led;
1572 }
1573
1574 *led_port = led_buffer;
1575 }
1576
1577 #endif /* CONFIG_IDE_LED */
1578
1579 /* ------------------------------------------------------------------------- */
1580
1581 #ifdef CONFIG_ATAPI
1582 /****************************************************************************
1583 * ATAPI Support
1584 */
1585
1586 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
1587 /* since ATAPI may use commands with not 4 bytes alligned length
1588 * we have our own transfer functions, 2 bytes alligned */
1589 static void
1590 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1591 {
1592 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1593 uchar *dbuf;
1594 volatile uchar *pbuf_even;
1595 volatile uchar *pbuf_odd;
1596
1597 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1598 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1599 while (shorts--) {
1600 EIEIO;
1601 *pbuf_even = *dbuf++;
1602 EIEIO;
1603 *pbuf_odd = *dbuf++;
1604 }
1605 #else
1606 ushort *dbuf;
1607 volatile ushort *pbuf;
1608
1609 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1610 dbuf = (ushort *)sect_buf;
1611
1612 debug ("in output data shorts base for read is %lx\n", (unsigned long) pbuf);
1613
1614 while (shorts--) {
1615 EIEIO;
1616 *pbuf = *dbuf++;
1617 }
1618 #endif
1619 }
1620
1621 static void
1622 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1623 {
1624 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1625 uchar *dbuf;
1626 volatile uchar *pbuf_even;
1627 volatile uchar *pbuf_odd;
1628
1629 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1630 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1631 while (shorts--) {
1632 EIEIO;
1633 *dbuf++ = *pbuf_even;
1634 EIEIO;
1635 *dbuf++ = *pbuf_odd;
1636 }
1637 #else
1638 ushort *dbuf;
1639 volatile ushort *pbuf;
1640
1641 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1642 dbuf = (ushort *)sect_buf;
1643
1644 debug("in input data shorts base for read is %lx\n", (unsigned long) pbuf);
1645
1646 while (shorts--) {
1647 EIEIO;
1648 *dbuf++ = *pbuf;
1649 }
1650 #endif
1651 }
1652
1653 #else /* ! __PPC__ */
1654 static void
1655 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1656 {
1657 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1658 }
1659
1660 static void
1661 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1662 {
1663 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1664 }
1665
1666 #endif /* __PPC__ */
1667
1668 /*
1669 * Wait until (Status & mask) == res, or timeout (in ms)
1670 * Return last status
1671 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1672 * and then they set their DRQ Bit
1673 */
1674 static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res)
1675 {
1676 ulong delay = 10 * t; /* poll every 100 us */
1677 uchar c;
1678
1679 c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */
1680 while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
1681 /* break if error occurs (doesn't make sense to wait more) */
1682 if((c & ATA_STAT_ERR)==ATA_STAT_ERR)
1683 break;
1684 udelay (100);
1685 if (delay-- == 0) {
1686 break;
1687 }
1688 }
1689 return (c);
1690 }
1691
1692 /*
1693 * issue an atapi command
1694 */
1695 unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen)
1696 {
1697 unsigned char c,err,mask,res;
1698 int n;
1699 ide_led (DEVICE_LED(device), 1); /* LED on */
1700
1701 /* Select device
1702 */
1703 mask = ATA_STAT_BUSY|ATA_STAT_DRQ;
1704 res = 0;
1705 #ifdef CONFIG_AMIGAONEG3SE
1706 # warning THF: Removed LBA mode ???
1707 #endif
1708 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1709 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1710 if ((c & mask) != res) {
1711 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c);
1712 err=0xFF;
1713 goto AI_OUT;
1714 }
1715 /* write taskfile */
1716 ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */
1717 ide_outb (device, ATA_SECT_CNT, 0);
1718 ide_outb (device, ATA_SECT_NUM, 0);
1719 ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF));
1720 ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF));
1721 #ifdef CONFIG_AMIGAONEG3SE
1722 # warning THF: Removed LBA mode ???
1723 #endif
1724 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1725
1726 ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET);
1727 udelay (50);
1728
1729 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1730 res = ATA_STAT_DRQ;
1731 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1732
1733 if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */
1734 printf ("ATTAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c);
1735 err=0xFF;
1736 goto AI_OUT;
1737 }
1738
1739 output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */
1740 /* ATAPI Command written wait for completition */
1741 udelay (5000); /* device must set bsy */
1742
1743 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1744 /* if no data wait for DRQ = 0 BSY = 0
1745 * if data wait for DRQ = 1 BSY = 0 */
1746 res=0;
1747 if(buflen)
1748 res = ATA_STAT_DRQ;
1749 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1750 if ((c & mask) != res ) {
1751 if (c & ATA_STAT_ERR) {
1752 err=(ide_inb(device,ATA_ERROR_REG))>>4;
1753 debug ("atapi_issue 1 returned sense key %X status %02X\n",err,c);
1754 } else {
1755 printf ("ATTAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c);
1756 err=0xFF;
1757 }
1758 goto AI_OUT;
1759 }
1760 n=ide_inb(device, ATA_CYL_HIGH);
1761 n<<=8;
1762 n+=ide_inb(device, ATA_CYL_LOW);
1763 if(n>buflen) {
1764 printf("ERROR, transfer bytes %d requested only %d\n",n,buflen);
1765 err=0xff;
1766 goto AI_OUT;
1767 }
1768 if((n==0)&&(buflen<0)) {
1769 printf("ERROR, transfer bytes %d requested %d\n",n,buflen);
1770 err=0xff;
1771 goto AI_OUT;
1772 }
1773 if(n!=buflen) {
1774 debug ("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen);
1775 }
1776 if(n!=0) { /* data transfer */
1777 debug ("ATAPI_ISSUE: %d Bytes to transfer\n",n);
1778 /* we transfer shorts */
1779 n>>=1;
1780 /* ok now decide if it is an in or output */
1781 if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) {
1782 debug ("Write to device\n");
1783 output_data_shorts(device,(unsigned short *)buffer,n);
1784 } else {
1785 debug ("Read from device @ %p shorts %d\n",buffer,n);
1786 input_data_shorts(device,(unsigned short *)buffer,n);
1787 }
1788 }
1789 udelay(5000); /* seems that some CD ROMs need this... */
1790 mask = ATA_STAT_BUSY|ATA_STAT_ERR;
1791 res=0;
1792 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1793 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1794 err=(ide_inb(device,ATA_ERROR_REG) >> 4);
1795 debug ("atapi_issue 2 returned sense key %X status %X\n",err,c);
1796 } else {
1797 err = 0;
1798 }
1799 AI_OUT:
1800 ide_led (DEVICE_LED(device), 0); /* LED off */
1801 return (err);
1802 }
1803
1804 /*
1805 * sending the command to atapi_issue. If an status other than good
1806 * returns, an request_sense will be issued
1807 */
1808
1809 #define ATAPI_DRIVE_NOT_READY 100
1810 #define ATAPI_UNIT_ATTN 10
1811
1812 unsigned char atapi_issue_autoreq (int device,
1813 unsigned char* ccb,
1814 int ccblen,
1815 unsigned char *buffer,
1816 int buflen)
1817 {
1818 unsigned char sense_data[18],sense_ccb[12];
1819 unsigned char res,key,asc,ascq;
1820 int notready,unitattn;
1821
1822 #ifdef CONFIG_AMIGAONEG3SE
1823 char *s;
1824 unsigned int timeout, retrycnt;
1825
1826 s = getenv("ide_cd_timeout");
1827 timeout = s ? (simple_strtol(s, NULL, 10)*1000000)/5 : 0;
1828
1829 retrycnt = 0;
1830 #endif
1831
1832 unitattn=ATAPI_UNIT_ATTN;
1833 notready=ATAPI_DRIVE_NOT_READY;
1834
1835 retry:
1836 res= atapi_issue(device,ccb,ccblen,buffer,buflen);
1837 if (res==0)
1838 return (0); /* Ok */
1839
1840 if (res==0xFF)
1841 return (0xFF); /* error */
1842
1843 debug ("(auto_req)atapi_issue returned sense key %X\n",res);
1844
1845 memset(sense_ccb,0,sizeof(sense_ccb));
1846 memset(sense_data,0,sizeof(sense_data));
1847 sense_ccb[0]=ATAPI_CMD_REQ_SENSE;
1848 sense_ccb[4]=18; /* allocation Length */
1849
1850 res=atapi_issue(device,sense_ccb,12,sense_data,18);
1851 key=(sense_data[2]&0xF);
1852 asc=(sense_data[12]);
1853 ascq=(sense_data[13]);
1854
1855 debug ("ATAPI_CMD_REQ_SENSE returned %x\n",res);
1856 debug (" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
1857 sense_data[0],
1858 key,
1859 asc,
1860 ascq);
1861
1862 if((key==0))
1863 return 0; /* ok device ready */
1864
1865 if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */
1866 if(unitattn-->0) {
1867 udelay(200*1000);
1868 goto retry;
1869 }
1870 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN);
1871 goto error;
1872 }
1873 if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */
1874 if (notready-->0) {
1875 udelay(200*1000);
1876 goto retry;
1877 }
1878 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY);
1879 goto error;
1880 }
1881 if(asc==0x3a) {
1882 debug ("Media not present\n");
1883 goto error;
1884 }
1885
1886 #ifdef CONFIG_AMIGAONEG3SE
1887 if ((sense_data[2]&0xF)==0x0B) {
1888 debug ("ABORTED COMMAND...retry\n");
1889 if (retrycnt++ < 4)
1890 goto retry;
1891 return (0xFF);
1892 }
1893
1894 if ((sense_data[2]&0xf) == 0x02 &&
1895 sense_data[12] == 0x04 &&
1896 sense_data[13] == 0x01 ) {
1897 debug ("Waiting for unit to become active\n");
1898 udelay(timeout);
1899 if (retrycnt++ < 4)
1900 goto retry;
1901 return 0xFF;
1902 }
1903 #endif /* CONFIG_AMIGAONEG3SE */
1904
1905 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1906 error:
1907 debug ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1908 return (0xFF);
1909 }
1910
1911
1912 static void atapi_inquiry(block_dev_desc_t * dev_desc)
1913 {
1914 unsigned char ccb[12]; /* Command descriptor block */
1915 unsigned char iobuf[64]; /* temp buf */
1916 unsigned char c;
1917 int device;
1918
1919 device=dev_desc->dev;
1920 dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */
1921 dev_desc->block_read=atapi_read;
1922
1923 memset(ccb,0,sizeof(ccb));
1924 memset(iobuf,0,sizeof(iobuf));
1925
1926 ccb[0]=ATAPI_CMD_INQUIRY;
1927 ccb[4]=40; /* allocation Legnth */
1928 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40);
1929
1930 debug ("ATAPI_CMD_INQUIRY returned %x\n",c);
1931 if (c!=0)
1932 return;
1933
1934 /* copy device ident strings */
1935 ident_cpy(dev_desc->vendor,&iobuf[8],8);
1936 ident_cpy(dev_desc->product,&iobuf[16],16);
1937 ident_cpy(dev_desc->revision,&iobuf[32],5);
1938
1939 dev_desc->lun=0;
1940 dev_desc->lba=0;
1941 dev_desc->blksz=0;
1942 dev_desc->type=iobuf[0] & 0x1f;
1943
1944 if ((iobuf[1]&0x80)==0x80)
1945 dev_desc->removable = 1;
1946 else
1947 dev_desc->removable = 0;
1948
1949 memset(ccb,0,sizeof(ccb));
1950 memset(iobuf,0,sizeof(iobuf));
1951 ccb[0]=ATAPI_CMD_START_STOP;
1952 ccb[4]=0x03; /* start */
1953
1954 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1955
1956 debug ("ATAPI_CMD_START_STOP returned %x\n",c);
1957 if (c!=0)
1958 return;
1959
1960 memset(ccb,0,sizeof(ccb));
1961 memset(iobuf,0,sizeof(iobuf));
1962 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1963
1964 debug ("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c);
1965 if (c!=0)
1966 return;
1967
1968 memset(ccb,0,sizeof(ccb));
1969 memset(iobuf,0,sizeof(iobuf));
1970 ccb[0]=ATAPI_CMD_READ_CAP;
1971 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8);
1972 debug ("ATAPI_CMD_READ_CAP returned %x\n",c);
1973 if (c!=0)
1974 return;
1975
1976 debug ("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
1977 iobuf[0],iobuf[1],iobuf[2],iobuf[3],
1978 iobuf[4],iobuf[5],iobuf[6],iobuf[7]);
1979
1980 dev_desc->lba =((unsigned long)iobuf[0]<<24) +
1981 ((unsigned long)iobuf[1]<<16) +
1982 ((unsigned long)iobuf[2]<< 8) +
1983 ((unsigned long)iobuf[3]);
1984 dev_desc->blksz=((unsigned long)iobuf[4]<<24) +
1985 ((unsigned long)iobuf[5]<<16) +
1986 ((unsigned long)iobuf[6]<< 8) +
1987 ((unsigned long)iobuf[7]);
1988 #ifdef CONFIG_LBA48
1989 dev_desc->lba48 = 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
1990 #endif
1991 return;
1992 }
1993
1994
1995 /*
1996 * atapi_read:
1997 * we transfer only one block per command, since the multiple DRQ per
1998 * command is not yet implemented
1999 */
2000 #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
2001 #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
2002 #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
2003
2004 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer)
2005 {
2006 ulong n = 0;
2007 unsigned char ccb[12]; /* Command descriptor block */
2008 ulong cnt;
2009
2010 debug ("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
2011 device, blknr, blkcnt, (ulong)buffer);
2012
2013 do {
2014 if (blkcnt>ATAPI_READ_MAX_BLOCK) {
2015 cnt=ATAPI_READ_MAX_BLOCK;
2016 } else {
2017 cnt=blkcnt;
2018 }
2019 ccb[0]=ATAPI_CMD_READ_12;
2020 ccb[1]=0; /* reserved */
2021 ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */
2022 ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */
2023 ccb[4]=(unsigned char) (blknr>> 8) & 0xFF;
2024 ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */
2025 ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */
2026 ccb[7]=(unsigned char) (cnt >>16) & 0xFF;
2027 ccb[8]=(unsigned char) (cnt >> 8) & 0xFF;
2028 ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */
2029 ccb[10]=0; /* reserved */
2030 ccb[11]=0; /* reserved */
2031
2032 if (atapi_issue_autoreq(device,ccb,12,
2033 (unsigned char *)buffer,
2034 cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) {
2035 return (n);
2036 }
2037 n+=cnt;
2038 blkcnt-=cnt;
2039 blknr+=cnt;
2040 buffer+=cnt*(ATAPI_READ_BLOCK_SIZE/4); /* ulong blocksize in ulong */
2041 } while (blkcnt > 0);
2042 return (n);
2043 }
2044
2045 /* ------------------------------------------------------------------------- */
2046
2047 #endif /* CONFIG_ATAPI */
2048
2049 U_BOOT_CMD(
2050 ide, 5, 1, do_ide,
2051 "ide - IDE sub-system\n",
2052 "reset - reset IDE controller\n"
2053 "ide info - show available IDE devices\n"
2054 "ide device [dev] - show or set current device\n"
2055 "ide part [dev] - print partition table of one or all IDE devices\n"
2056 "ide read addr blk# cnt\n"
2057 "ide write addr blk# cnt - read/write `cnt'"
2058 " blocks starting at block `blk#'\n"
2059 " to/from memory address `addr'\n"
2060 );
2061
2062 U_BOOT_CMD(
2063 diskboot, 3, 1, do_diskboot,
2064 "diskboot- boot from IDE device\n",
2065 "loadAddr dev:part\n"
2066 );
2067
2068 #endif /* CONFIG_COMMANDS & CFG_CMD_IDE */
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